<div class="panel panel-info">
      <div class="panel-heading">
            <h3 class="panel-title">Panel title</h3>
      </div>
      <div class="panel-body">
            Panel content
      </div>
</div>
<div class="panel panel-primary">
      <div class="panel-heading">
            <h3 class="panel-title">Panel title</h3>
      </div>
      <div class="panel-body">
            Panel content
      </div>
</div>
<div class="panel panel-success">
      <div class="panel-heading">
            <h3 class="panel-title">Panel title</h3>
      </div>
      <div class="panel-body">
            Panel content
      </div>
</div>
<div class="panel panel-warning">
      <div class="panel-heading">
            <h3 class="panel-title">Panel title</h3>
      </div>
      <div class="panel-body">
            Panel content
      </div>
</div>
